source: LMDZ5/branches/IPSLCM5A2.1_ISO/libf/phyiso/rrtm/srtm_taumol21.F90

Last change on this file was 3331, checked in by acozic, 7 years ago

Add modification for isotopes

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[3331]1SUBROUTINE SRTM_TAUMOL21 &
2 & ( KLEV,&
3 & P_FAC00   , P_FAC01  , P_FAC10   , P_FAC11,&
4 & K_JP      , K_JT     , K_JT1     , P_ONEMINUS,&
5 & P_COLH2O  , P_COLCO2 , P_COLMOL,&
6 & K_LAYTROP , P_SELFFAC, P_SELFFRAC, K_INDSELF  , P_FORFAC, P_FORFRAC, K_INDFOR,&
7 & P_SFLUXZEN, P_TAUG   , P_TAUR    &
8 & ) 
9
10!     Written by Eli J. Mlawer, Atmospheric & Environmental Research.
11
12!     BAND 21:  6150-7700 cm-1 (low - H2O,CO2; high - H2O,CO2)
13
14! Modifications
15!        M.Hamrud      01-Oct-2003 CY28 Cleaning
16
17!     JJMorcrette 2003-02-24 adapted to ECMWF environment
18
19!      PARAMETER (MG=16, MXLAY=203, NBANDS=14)
20
21USE PARKIND1  ,ONLY : JPIM     ,JPRB
22USE YOMHOOK   ,ONLY : LHOOK,   DR_HOOK
23
24USE PARSRTM  , ONLY : JPLAY, JPG, NG21
25USE YOESRTA21, ONLY : ABSA, ABSB, FORREFC, SELFREFC &
26 & , SFLUXREFC, RAYL &
27 & , LAYREFFR, STRRAT 
28USE YOESRTWN , ONLY : NSPA, NSPB
29
30IMPLICIT NONE
31
32!-- Output
33INTEGER(KIND=JPIM),INTENT(IN)    :: KLEV
34REAL(KIND=JPRB)   ,INTENT(IN)    :: P_FAC00(JPLAY)
35REAL(KIND=JPRB)   ,INTENT(IN)    :: P_FAC01(JPLAY)
36REAL(KIND=JPRB)   ,INTENT(IN)    :: P_FAC10(JPLAY)
37REAL(KIND=JPRB)   ,INTENT(IN)    :: P_FAC11(JPLAY)
38INTEGER(KIND=JPIM),INTENT(IN)    :: K_JP(JPLAY)
39INTEGER(KIND=JPIM),INTENT(IN)    :: K_JT(JPLAY)
40INTEGER(KIND=JPIM),INTENT(IN)    :: K_JT1(JPLAY)
41REAL(KIND=JPRB)   ,INTENT(IN)    :: P_ONEMINUS
42REAL(KIND=JPRB)   ,INTENT(IN)    :: P_COLH2O(JPLAY)
43REAL(KIND=JPRB)   ,INTENT(IN)    :: P_COLCO2(JPLAY)
44REAL(KIND=JPRB)   ,INTENT(IN)    :: P_COLMOL(JPLAY)
45INTEGER(KIND=JPIM),INTENT(IN)    :: K_LAYTROP
46REAL(KIND=JPRB)   ,INTENT(IN)    :: P_SELFFAC(JPLAY)
47REAL(KIND=JPRB)   ,INTENT(IN)    :: P_SELFFRAC(JPLAY)
48INTEGER(KIND=JPIM),INTENT(IN)    :: K_INDSELF(JPLAY)
49REAL(KIND=JPRB)   ,INTENT(IN)    :: P_FORFAC(JPLAY)
50REAL(KIND=JPRB)   ,INTENT(IN)    :: P_FORFRAC(JPLAY)
51INTEGER(KIND=JPIM),INTENT(IN)    :: K_INDFOR(JPLAY)
52
53REAL(KIND=JPRB)   ,INTENT(OUT)   :: P_SFLUXZEN(JPG)
54REAL(KIND=JPRB)   ,INTENT(OUT)   :: P_TAUG(JPLAY,JPG)
55REAL(KIND=JPRB)   ,INTENT(OUT)   :: P_TAUR(JPLAY,JPG)
56!- from INTFAC     
57!- from INTIND
58!- from PRECISE             
59!- from PROFDATA             
60!- from SELF             
61INTEGER(KIND=JPIM) :: IG, IND0, IND1, INDS, INDF, JS, I_LAY, I_LAYSOLFR, I_NLAYERS
62
63REAL(KIND=JPRB) :: Z_FAC000, Z_FAC001, Z_FAC010, Z_FAC011, Z_FAC100, Z_FAC101,&
64 & Z_FAC110, Z_FAC111, Z_FS, Z_SPECCOMB, Z_SPECMULT, Z_SPECPARM, &
65 & Z_TAURAY 
66REAL(KIND=JPRB) :: ZHOOK_HANDLE
67
68IF (LHOOK) CALL DR_HOOK('SRTM_TAUMOL21',0,ZHOOK_HANDLE)
69I_NLAYERS = KLEV
70
71!     Compute the optical depth by interpolating in ln(pressure),
72!     temperature, and appropriate species.  Below LAYTROP, the water
73!     vapor self-continuum is interpolated (in temperature) separately. 
74I_LAYSOLFR = K_LAYTROP
75     
76DO I_LAY = 1, K_LAYTROP
77  IF (K_JP(I_LAY) < LAYREFFR .AND. K_JP(I_LAY+1) >= LAYREFFR) &
78   & I_LAYSOLFR = MIN(I_LAY+1,K_LAYTROP) 
79  Z_SPECCOMB = P_COLH2O(I_LAY) + STRRAT*P_COLCO2(I_LAY)
80  Z_SPECPARM = P_COLH2O(I_LAY)/Z_SPECCOMB
81  IF (Z_SPECPARM >= P_ONEMINUS) Z_SPECPARM = P_ONEMINUS
82  Z_SPECMULT = 8.*(Z_SPECPARM)
83  JS = 1 + INT(Z_SPECMULT)
84  Z_FS = MOD(Z_SPECMULT, 1.0_JPRB )
85! Z_FAC000 = (1. - Z_FS) * P_FAC00(I_LAY)
86! Z_FAC010 = (1. - Z_FS) * P_FAC10(I_LAY)
87! Z_FAC100 = Z_FS * P_FAC00(I_LAY)
88! Z_FAC110 = Z_FS * P_FAC10(I_LAY)
89! Z_FAC001 = (1. - Z_FS) * P_FAC01(I_LAY)
90! Z_FAC011 = (1. - Z_FS) * P_FAC11(I_LAY)
91! Z_FAC101 = Z_FS * P_FAC01(I_LAY)
92! Z_FAC111 = Z_FS * P_FAC11(I_LAY)
93  IND0 = ((K_JP(I_LAY)-1)*5+(K_JT(I_LAY)-1))*NSPA(21) + JS
94  IND1 = (K_JP(I_LAY)*5+(K_JT1(I_LAY)-1))*NSPA(21) + JS
95  INDS = K_INDSELF(I_LAY)
96  INDF = K_INDFOR(I_LAY)
97  Z_TAURAY = P_COLMOL(I_LAY) * RAYL
98
99!  DO IG = 1, NG(21)
100  DO IG = 1 , NG21
101    P_TAUG(I_LAY,IG) = Z_SPECCOMB * &
102!    & (Z_FAC000 * ABSA(IND0,IG) + &
103!    & Z_FAC100 * ABSA(IND0+1,IG) + &
104!    & Z_FAC010 * ABSA(IND0+9,IG) + &
105!    & Z_FAC110 * ABSA(IND0+10,IG) + &
106!    & Z_FAC001 * ABSA(IND1,IG) + &
107!    & Z_FAC101 * ABSA(IND1+1,IG) + &
108!    & Z_FAC011 * ABSA(IND1+9,IG) + &
109!    & Z_FAC111 * ABSA(IND1+10,IG)) + &
110     & (&
111     & (1. - Z_FS) * ( ABSA(IND0,IG) * P_FAC00(I_LAY) + &
112     &                 ABSA(IND0+9,IG) * P_FAC10(I_LAY) + &
113     &                 ABSA(IND1,IG) * P_FAC01(I_LAY) + &
114     &                 ABSA(IND1+9,IG) * P_FAC11(I_LAY) ) + &
115     & Z_FS        * ( ABSA(IND0+1,IG) * P_FAC00(I_LAY) + &
116     &                 ABSA(IND0+10,IG) * P_FAC10(I_LAY) + &
117     &                 ABSA(IND1+1,IG) * P_FAC01(I_LAY) + &
118     &                 ABSA(IND1+10,IG) * P_FAC11(I_LAY) ) &
119     & ) + &
120     & P_COLH2O(I_LAY) * &
121     & (P_SELFFAC(I_LAY) * (SELFREFC(INDS,IG) + &
122     & P_SELFFRAC(I_LAY) * &
123     & (SELFREFC(INDS+1,IG) - SELFREFC(INDS,IG))) + &
124     & P_FORFAC(I_LAY) * (FORREFC(INDF,IG) + &
125     & P_FORFRAC(I_LAY) * &
126     & (FORREFC(INDF+1,IG) - FORREFC(INDF,IG)))) 
127!     &           + TAURAY
128!    SSA(LAY,IG) = TAURAY/TAUG(LAY,IG)
129    IF (I_LAY == I_LAYSOLFR) P_SFLUXZEN(IG) = SFLUXREFC(IG,JS) &
130     & + Z_FS * (SFLUXREFC(IG,JS+1) - SFLUXREFC(IG,JS)) 
131    P_TAUR(I_LAY,IG) = Z_TAURAY
132  ENDDO
133ENDDO
134
135DO I_LAY = K_LAYTROP+1, I_NLAYERS
136  Z_SPECCOMB = P_COLH2O(I_LAY) + STRRAT*P_COLCO2(I_LAY)
137  Z_SPECPARM = P_COLH2O(I_LAY)/Z_SPECCOMB
138  IF (Z_SPECPARM >= P_ONEMINUS) Z_SPECPARM = P_ONEMINUS
139  Z_SPECMULT = 4.*(Z_SPECPARM)
140  JS = 1 + INT(Z_SPECMULT)
141  Z_FS = MOD(Z_SPECMULT, 1.0_JPRB )
142! Z_FAC000 = (1. - Z_FS) * P_FAC00(I_LAY)
143! Z_FAC010 = (1. - Z_FS) * P_FAC10(I_LAY)
144! Z_FAC100 = Z_FS * P_FAC00(I_LAY)
145! Z_FAC110 = Z_FS * P_FAC10(I_LAY)
146! Z_FAC001 = (1. - Z_FS) * P_FAC01(I_LAY)
147! Z_FAC011 = (1. - Z_FS) * P_FAC11(I_LAY)
148! Z_FAC101 = Z_FS * P_FAC01(I_LAY)
149! Z_FAC111 = Z_FS * P_FAC11(I_LAY)
150  IND0 = ((K_JP(I_LAY)-13)*5+(K_JT(I_LAY)-1))*NSPB(21) + JS
151  IND1 = ((K_JP(I_LAY)-12)*5+(K_JT1(I_LAY)-1))*NSPB(21) + JS
152  INDF = K_INDFOR(I_LAY)
153  Z_TAURAY = P_COLMOL(I_LAY) * RAYL
154
155!  DO IG = 1, NG(21)
156  DO IG = 1 , NG21
157    P_TAUG(I_LAY,IG) = Z_SPECCOMB * &
158!    & (Z_FAC000 * ABSB(IND0,IG) + &
159!    & Z_FAC100 * ABSB(IND0+1,IG) + &
160!    & Z_FAC010 * ABSB(IND0+5,IG) + &
161!    & Z_FAC110 * ABSB(IND0+6,IG) + &
162!    & Z_FAC001 * ABSB(IND1,IG) + &
163!    & Z_FAC101 * ABSB(IND1+1,IG) + &
164!    & Z_FAC011 * ABSB(IND1+5,IG) + &
165!    & Z_FAC111 * ABSB(IND1+6,IG)) + &
166     & (&
167     & (1. - Z_FS) * ( ABSB(IND0,IG) * P_FAC00(I_LAY) + &
168     &                 ABSB(IND0+5,IG) * P_FAC10(I_LAY) + &
169     &                 ABSB(IND1,IG) * P_FAC01(I_LAY) + &
170     &                 ABSB(IND1+5,IG) * P_FAC11(I_LAY) ) + &
171     & Z_FS        * ( ABSB(IND0+1,IG) * P_FAC00(I_LAY) + &
172     &                 ABSB(IND0+6,IG) * P_FAC10(I_LAY) + &
173     &                 ABSB(IND1+1,IG) * P_FAC01(I_LAY) + &
174     &                 ABSB(IND1+6,IG) * P_FAC11(I_LAY) ) &
175     & ) + &
176     & P_COLH2O(I_LAY) * &
177     & P_FORFAC(I_LAY) * (FORREFC(INDF,IG) + &
178     & P_FORFRAC(I_LAY) * &
179     & (FORREFC(INDF+1,IG) - FORREFC(INDF,IG))) 
180!     &           + TAURAY
181!    SSA(LAY,IG) = TAURAY/TAUG(LAY,IG)
182    P_TAUR(I_LAY,IG) = Z_TAURAY
183  ENDDO
184ENDDO
185
186!-----------------------------------------------------------------------
187IF (LHOOK) CALL DR_HOOK('SRTM_TAUMOL21',1,ZHOOK_HANDLE)
188END SUBROUTINE SRTM_TAUMOL21
189
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